// Copyright (C) 2017 Google Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package path

// Transform transforms each of the nodes in the chain using the function f.
func Transform(n Node, f func(Node) Node) Node {
	n = f(n)
	if p := n.Parent(); p != nil {
		n.SetParent(Transform(p, f))
	}
	return n
}
